2597345269 has 2 divisors, whose sum is σ = 2597345270. Its totient is φ = 2597345268.

The previous prime is 2597345263. The next prime is 2597345339. The reversal of 2597345269 is 9625437952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2128622769 + 468722500 = 46137^2 + 21650^2 .

It is a cyclic number.

It is not a de Polignac number, because 2597345269 - 2²⁵ = 2563790837 is a prime.

It is a super-2 number, since 2×2597345269² = 13492404892793364722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2597345263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1298672634 + 1298672635.

It is an arithmetic number, because the mean of its divisors is an integer number (1298672635).

Almost surely, 2^2597345269 is an apocalyptic number.

It is an amenable number.

2597345269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2597345269 is an equidigital number, since it uses as much as digits as its factorization.

2597345269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 52.

The square root of 2597345269 is about 50964.1567084162. The cubic root of 2597345269 is about 1374.6007028330.

The spelling of 2597345269 in words is "two billion, five hundred ninety-seven million, three hundred forty-five thousand, two hundred sixty-nine".